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232431223 is a prime number
BaseRepresentation
bin11011101101010…
…01111001110111
3121012100201200211
431312221321313
5434000244343
635021450251
75521430023
oct1566517167
9535321624
10232431223
1110a224022
1265a10987
1339200a8b
1422c25383
151561379d
hexdda9e77

232431223 has 2 divisors, whose sum is σ = 232431224. Its totient is φ = 232431222.

The previous prime is 232431217. The next prime is 232431233. The reversal of 232431223 is 322134232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232431223 - 29 = 232430711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232431194 and 232431203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232431233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116215611 + 116215612.

It is an arithmetic number, because the mean of its divisors is an integer number (116215612).

Almost surely, 2232431223 is an apocalyptic number.

232431223 is a deficient number, since it is larger than the sum of its proper divisors (1).

232431223 is an equidigital number, since it uses as much as digits as its factorization.

232431223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 22.

The square root of 232431223 is about 15245.6952284899. The cubic root of 232431223 is about 614.8438345858.

Adding to 232431223 its reverse (322134232), we get a palindrome (554565455).

The spelling of 232431223 in words is "two hundred thirty-two million, four hundred thirty-one thousand, two hundred twenty-three".